Mr. Smarty Pants Knows

Flatworms can plunge their penises into their own heads to inject themselves with sperm and reproduce when there are no mates around.

Back in the Twenties, if a man was called a "cake-eating bimbo," that meant he was a macho ladies' man. Later, however, "cake-eater" became slang for homosexual.

People in total weigh more than 300 million tons. Large wild animals in total weigh not even 100 million tons.

Mathematicians say there's now a 73% chance that the entire universe is an artificial simulation – like a gigantic Dungeons and Dragons game, where, for instance, distant galaxies don't "exist" until we look in their direction. That would explain a lot of the mathematical discrepancies in measurements now being discovered in astrophysics.

Before 2009, Archers Way in the town of Conisbrough, Doncaster, England, was called Butt Hole Road.